<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>标签选择器</title>
    <style>
        div{
            background-color: yellow;
            color: red;
        }
    </style>
</head>
<body>
    <div>111111111111111111111</div>
    <div>aaaaaaaaaaaaaaaaaaaaa</div>
    <h1>2222222222222222222222</h1>
    <p>33333333333333333333333</p>
</body>
</html>